Tractor cowling



FIG. 1 is an enlarged front elevational view of the tractor cowling showing our new design, the broken lines showing an exhaust pipe projecting through the top of the cowling are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a reduced top plan view thereof;

FIG. 3 is a reduced right side elevational view thereof; and,

FIG. 4 is a reduced left side elevational view thereof. 

The ornamental design for a tractor cowling, as shown and described. 